CN111066101A - Wire harness - Google Patents
Wire harness Download PDFInfo
- Publication number
- CN111066101A CN111066101A CN201880058049.9A CN201880058049A CN111066101A CN 111066101 A CN111066101 A CN 111066101A CN 201880058049 A CN201880058049 A CN 201880058049A CN 111066101 A CN111066101 A CN 111066101A
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- CN
- China
- Prior art keywords
- waterproof cable
- connector
- waterproof
- wires
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
Abstract
The purpose of the present invention is to reduce the size of an end structure of a wire harness in an outdoor area and to suppress the intrusion of water from the outdoor area into an indoor area. The wire harness is arranged across the indoor area and the outdoor area and connected to the connection target member on the outdoor area side. A wire harness is provided with: a waterproof cable disposed at a boundary between an indoor area and an outdoor area, the waterproof cable being waterproofed between the lines; and a non-waterproof cable that is connected to the waterproof cable in the outdoor area and is connectable to the connection target member.
Description
Technical Field
The present invention relates to a wire harness arranged across an indoor area and an outdoor area.
Background
Patent document 1 discloses a sealing structure for a multicore cable, including: a multi-core cable that surrounds a plurality of electric wires with a sheath and that leads out the plurality of electric wires from an end of the sheath; and a rubber plug having a sheath fitting portion fitted to the end portion of the sheath and having a wire passing portion having a plurality of through holes through which the plurality of wires led out from the end portion of the sheath pass.
Prior art documents
Patent document
Patent document 1: japanese patent laid-open publication No. 2016-010303
Disclosure of Invention
Problems to be solved by the invention
However, as shown in fig. 9, there is a wire harness 500 disposed across an indoor area E1 on the vehicle body inner side and an outdoor area E2 on the vehicle body outer side. Harness 500 is disposed so as to penetrate through partition wall W between indoor area E1 and outdoor area E2. A connector 510 is connected to an end of the wire harness 500 disposed in the indoor area E1, and the connector 510 is connected to an electric device or the like on the indoor area E1 side. A connector 520 is connected to an end of the wire harness 500 disposed in the outdoor area E2, and the connector 520 is connected to an electric device or the like on the outdoor area E2 side.
In such a case, it is necessary to avoid the intrusion of water into the indoor area E1 from the outdoor area E2 along the inside of the wire harness 500. Therefore, as disclosed in patent document 1, it is conceivable to provide a space-to-space sealing structure at the end of the cable and cover the space-to-space sealing structure and the connector 520 with a connector cover.
However, if the inter-wire sealing structure is provided at the end portion of the cable, the end portion structure becomes large. In the case where the peripheral space at the connection of the connector 500 or the waterproof space at the wire end in the outdoor area E2 is small, it is difficult to provide such an interline sealing structure.
Therefore, an object of the present invention is to achieve downsizing of an end structure of a wire harness in an outdoor area and to suppress intrusion of water from the outdoor area to an indoor area.
Means for solving the problems
In order to solve the above problem, a wire harness according to a first aspect is arranged across an indoor area and an outdoor area and connected to a member to be connected on the outdoor area side, and includes: a waterproof cable disposed at a boundary between the indoor area and the outdoor area, the waterproof cable being waterproofed between the lines; and a non-waterproof cable that is connected to the waterproof cable in the outdoor area and is connectable to the connection target member.
A second aspect is the wire harness according to the first aspect, wherein the waterproof cable includes a plurality of first wires, a sheath covering a periphery of the plurality of first wires, and an inter-wire waterproof portion that waterproofs between the plurality of first wires at an end portion of the sheath on a side connected to the non-waterproof cable, a first relay connector is provided at an end portion of the waterproof cable on a side connected to the non-waterproof cable, the non-waterproof cable includes a plurality of second wires linearly aggregated with a gap between the end portions, a second relay connector is provided at an end portion of the non-waterproof cable on a side connected to the waterproof cable, and a connection target connector is provided at an end portion of the non-waterproof cable on a side connected to the connection target member.
A third aspect is the wire harness according to the second aspect, wherein a connector waterproof portion that suppresses entry of water into the connection target connector along the second wire at a portion where the second wire is guided to the connection target connector is provided in the connection target connector.
A fourth aspect is the wire harness according to any one of the first to third aspects, wherein a grommet that is disposed in a through hole formed in a plate that partitions the indoor area and the outdoor area is attached to an intermediate portion of the waterproof cable.
A fifth aspect is based on the wire harness of any one of the first to fourth aspects, wherein the non-watertight cable includes branch electric wires that branch in intermediate portions in an extending direction of the plurality of second electric wires.
A sixth aspect is the wire harness according to any one of the first to fifth aspects, further comprising a third wire electrically connected to a part of the plurality of second wires at a position of the connector to be connected or the member to be connected of the non-waterproof cable, extending from the connector to be connected, and connected to another member to be connected on the outdoor area side.
A seventh aspect is based on the wire harness of any one of the first to sixth aspects, wherein the waterproof cable includes a bendable portion that is configured to be bendable in the outdoor area.
Effects of the invention
According to the first aspect, the waterproof structure may not be provided in the non-waterproof cable that can be connected to the connection target member. Therefore, the end structure of the wire harness in the outdoor area can be miniaturized. The non-waterproof cable is connected to a waterproof cable in the outdoor area, and the waterproof cable is guided to the indoor area through a boundary between the indoor area and the outdoor area. Therefore, the waterproof cable can suppress the intrusion of water from the outdoor area to the indoor area. This makes it possible to reduce the size of the end structure of the wire harness in the outdoor area and suppress the intrusion of water from the outdoor area into the indoor area.
According to the second aspect, since the non-waterproof cable includes the plurality of second electric wires linearly aggregated with a gap between the end portions, the waterproof structure may not be provided. Therefore, the end structure of the wire harness in the outdoor area can be miniaturized. Further, the waterproof cable can be waterproofed between the wires by the sheath and the wire waterproof portion.
According to the third aspect, the connector waterproof section can suppress the intrusion of water into the connection target connector.
According to the fourth aspect, since water along the outer periphery of the waterproof cable is blocked by the grommet, entry of water into the indoor area can be suppressed.
The waterproof structure between wires may be omitted for the non-waterproof cable. Therefore, as in the fifth aspect, the non-watertight cable can be easily configured to include the branch electric wires that branch off at the intermediate portions in the extending direction of the plurality of second electric wires.
According to the sixth aspect, the non-waterproof cable can be connected to another connection target member by branching a part of the second electric wire as the third electric wire without branching at a midway point.
According to the seventh aspect, by bending the waterproof cable, it is possible to cope with various layouts or to absorb an excessive length.
Drawings
Fig. 1 is a schematic diagram showing an overall structure of a wire harness according to an embodiment.
Fig. 2 is a schematic cross-sectional view showing an end portion of a waterproof cable.
Fig. 3 is a schematic cross-sectional view showing an end portion of a non-waterproof cable.
Fig. 4 is a schematic cross-sectional view showing a modified example of an end portion of a non-waterproof cable.
Fig. 5 is an explanatory diagram showing a state in which water is applied to the wire harness in the outdoor area.
Fig. 6 is a schematic view of a wire harness showing a modification.
Fig. 7 is a schematic view showing a harness according to another modification.
Fig. 8 is a schematic view showing a harness according to still another modification.
Fig. 9 is a diagram showing an example in which a wire harness provided with an interline waterproofing structure is arranged across an indoor area and an outdoor area.
Detailed Description
The wire harness of the embodiment will be explained below. Fig. 1 is a schematic diagram showing an overall structure of a wire harness.
The wire harness 10 is disposed across the indoor area E1 and the outdoor area E2, and is connected to a connection target member on the outdoor area E2 side.
The indoor area E1 is, for example, an area inside the vehicle body, and is protected by the vehicle body or the like so as to prevent water from being applied from the outside.
The outdoor area E2 is, for example, an area outside the vehicle body including the engine room, and is an area where water is likely to be applied from the outside. In the outdoor area E2, the connection target member 60 such as an electronic control unit having a waterproof structure, a sensor, and a drive source (such as a motor) is disposed.
A panel 70 made of a part of the vehicle body or the like is provided between the indoor area E1 and the outdoor area E2, and the indoor area E1 and the outdoor area E2 are partitioned by the panel 70. The plate 70 is formed with a through hole 72 through which the wire harness 10 passes.
The wire harness 10 includes a waterproof cable 20 and a non-waterproof cable 40.
The waterproof cable 20 is a cable which is disposed through the boundary between the indoor area E1 and the outdoor area E2 and is waterproof between the wires. Here, the inter-wire waterproof cable is a cable having a waterproof structure that suppresses intrusion of water between the plurality of first electric wires 22 included in the waterproof cable 20.
One end of the waterproof cable 20 is connected to an electric component or another wire harness disposed in the indoor area E1 in the indoor area E1. The waterproof cable 20 is guided from the indoor area E1 to the outdoor area E2 through the through hole 72 formed in the plate 70. The other end of the waterproof cable 20 is disposed in the outdoor area E2.
The non-watertight cable 40 is connected to the watertight cable 20 in the outdoor area E2 and is connected to the connection target component 60 in the outdoor area E2. Here, the non-waterproof cable 40 is a cable that does not have a waterproof structure that suppresses the intrusion of water between the plurality of second electric wires included in the non-waterproof cable 40, or a cable that has a waterproof structure that is simplified and miniaturized compared to the waterproof structure of the waterproof cable 20 even if it has a certain degree of waterproof structure, and the effect of suppressing the intrusion of water between the first electric wires 22 is lower than the effect of suppressing the intrusion of water by the waterproof structure of the waterproof cable 20.
One end of the non-waterproof cable 40 is connected to the other end of the waterproof cable 20 in the outdoor area E2. The other end of the non-waterproof cable 40 is connected to the connection target member 60 disposed in the outdoor area E2.
Therefore, the connection target member 60 disposed in the outdoor area E2 is connected to the electric components or other wire harnesses in the indoor area E1 via the wire harness 10 including the waterproof cable 20 and the non-waterproof cable 40.
In the outdoor area E2, water is applied to the non-waterproof cable 40, and therefore water sometimes intrudes between the second electric wires 42 of the non-waterproof cable 40. However, the water that has entered between the second electric wires 42 of the non-waterproof cable 40 is discharged to the outside in the outdoor area E2.
In addition, in the outdoor area E2, water can be applied to the waterproof cable 20. However, since the waterproof cable 20 is a cable in which water is prevented between the wires, the penetration of water between the first electric wires 22 can be suppressed. The waterproof cable 20 is guided into the indoor area E1 through the through hole 72 of the plate 70. Therefore, water can be suppressed from entering the indoor area E1 between the first electric wires 22 of the waterproof cable 20.
In addition, since the non-waterproof cable 40 has a structure in which the waterproof structure is omitted or simplified and is miniaturized, the end structure thereof is miniaturized. Therefore, even when the section in the outdoor area E2, particularly the arrangement section near the connection target member 60 is narrow, the arrangement section of the waterproof cable 20 can be sufficiently secured.
Fig. 2 is a schematic sectional view showing an end portion of the waterproof cable 20. As shown in fig. 1 and 2, the waterproof cable 20 includes a plurality of first wires 22, a sheath 24, and a wire-to-wire waterproof portion 26.
The first wire 22 includes a core wire and a covering the periphery of the core wire. The core wire is a wire-shaped member formed of copper, a copper alloy, aluminum, an aluminum alloy, or the like. The coating is an insulating coating formed by pressing a coating resin or the like around the core wire. The plurality of first electric wires 22 are collected in a linear shape. The plurality of first wires 22 are any of signal wires, power wires, and ground wires. The plurality of first wires 22 may be wires having the same outer diameter or wires having different outer diameters.
The sheath 24 is a cylindrical member that covers the periphery of the plurality of first wires 22. The sheath 24 is formed by extruding a coating resin or the like around the plurality of first electric wires 22. The ends of the plurality of first electric wires 22 extend out at both ends of the sheath 24, respectively.
The interline waterproof section 26 is configured to waterproof the space between the plurality of first wires 22 at the end portion of the sheath 24 on the side connected to the non-waterproof cable 40.
More specifically, the interline waterproof unit 26 includes a plug member 27 and a cover 28.
The plug member 27 is formed of a columnar member (here, a columnar shape) formed by an elastic member such as rubber. The plug member 27 has a plurality of through holes 27h penetrating from one end portion to the other end portion. The plurality of through holes 27h are formed corresponding to the plurality of first wires 22, and have the same outer diameter as the corresponding first wires 22 or an inner diameter smaller (slightly smaller) than the outer diameter of the corresponding first wires 22. The plurality of first wires 22 are inserted into the corresponding through holes 27 h. Thereby, the plurality of first wires 22 are sealed by the plug member 27. The plug member 27 is disposed as close to the opening edge of the sheath 24 as possible.
The cover 28 is a cylindrical member formed of an elastic member such as rubber, and is disposed so as to cover the outer peripheral portion of the end portion of the sheath 24 and the outer peripheral portion of the plug member 27. The cover 28 is as close as possible to the outer peripheral portion of the end portion of the sheath 24 and the outer peripheral portion of the plug member 27 so as to suppress the intrusion of water. The cover 28 can prevent water from entering between the opening edge of the sheath 24 and the plug member 27.
The plug member 27 prevents water from penetrating between the plurality of first electric wires 22, and the cover 28 prevents water from penetrating between the opening edge of the sheath 24 and the plug member 27, thereby preventing water from penetrating into the waterproof cable 20.
The first relay connector 30 is provided at an end portion of the waterproof cable 20 on the side connected to the non-waterproof cable 40. The first relay connector 30 is a connector for connecting the waterproof cable 20 with the non-waterproof cable 40. Here, the first relay connector 30 includes a connector housing 32 and a connector waterproof plug 36.
The connector housing 32 is a member formed of resin or the like, and has a plurality of cavities 33a for accommodating the terminals 23 connected to the respective ends of the plurality of first wires 22. A connector shroud 34 is formed on the front side of the connector housing 32. Then, each terminal 23 is inserted into and arranged in the cavity 33a, and the terminal 23 is held in a posture in which the tip portion protrudes into the connector shroud 34.
The connector waterproof plug 36 is a ring-shaped member formed of an elastic member such as rubber, and is fitted to the end of each of the plurality of first wires 22. In a state where the terminal 23 is held by the cavity 33a, the connector waterproof plug 36 is fitted into the rear end portion of the cavity 33 a. This can suppress the entry of water into the connector housing 32 from the side of the first relay connector 30 from which the first electric wire 22 extends.
The cover 28 extends from the plug member 27 toward the connector housing 32 side as well, and covers the outer periphery of the connector housing 32. This also suppresses the intrusion of water between the connector housing 32 and the plug member 27. The hood 28 may also be bent between the latch member 27 and the connector housing 32. The shroud 28 does not necessarily cover the connector housing 32.
Here, the inside connector 38 is provided at one end of the waterproof cable 20. The configuration of the inner connector 38 itself may be the same as that of the first relay connector 30 described above. Further, a waterproof portion 39 having the same configuration as the waterproof portion 26 is provided at one end of the waterproof cable 20. However, the interline waterproof portion 39 may be omitted at one end portion of the waterproof cable 20.
Fig. 3 is a schematic sectional view showing an end of the non-waterproof cable 40. As shown in fig. 1 and 3, the non-waterproof cable 40 includes a plurality of second electric wires 42 linearly gathered with a gap between end portions.
The second wire 42 includes a core wire and a coating covering the periphery of the core wire, as in the first wire 22. Like the plurality of first wires 22, the plurality of second wires 42 are any of signal wires, power wires, and ground wires. The plurality of second wires 42 may be wires having the same outer diameter or wires having different outer diameters.
In order to protect the plurality of second electric wires 42 from the outside while keeping the plurality of second electric wires 42 linearly aggregated, a protective coating 44 is provided around the plurality of second electric wires 42.
The protective cover 44 may be formed of, for example, a corrugated tube attached around the plurality of second wires 42, a member formed by pressing a coating resin or the like around the plurality of second wires 42 in the same manner as the sheath 24, an adhesive tape wound around the plurality of second wires 42, a resin sheet, or the like. The protective coating 44 may also be omitted.
The ends of the plurality of second wires 42 extend out from both ends of the protective coating 44.
Unlike the waterproof cable 20 described above, no interline waterproof portion is provided at the end of the protective coating 44. Therefore, at both ends of the non-waterproof cable 40, there are gaps between the plurality of second wires 42 without solid matter interposed therebetween, and water enters between the plurality of second wires 42. Since the interline waterproof portions are not provided at both end portions of the waterproof cable 20, the amount of the plug member 27 can be simplified and reduced in size as compared with the structure in which the interline waterproof portions 26 are provided.
The second relay connector 50 is provided at an end of the non-waterproof cable 40 on the side connected to the waterproof cable 20, and the connection target connector 56 is provided at an end of the waterproof cable 20 on the side connected to the connection target member 60.
The connector 56 to be connected is a connector for connecting the non-watertight cable 40 to the member 60 to be connected, and is configured to be connectable to a receiving-side connector 64 provided on the member 60 to be connected. Here, the connector 56 to be connected includes a connector housing 57 and a connector waterproof plug 59.
The connector housing 57 is a member formed of resin or the like, and has a plurality of cavities 58a for receiving the terminals 43 connected to the respective ends of the plurality of second wires 42. The front end of the connector housing 57 is configured to be insertable into and connectable to a receiving recess formed in the receiving side connector 64. Preferably, a sealing member for suppressing intrusion of water into between the connector housing 57 and the receiving-side connector 64 is provided in a state where the connector housing is inserted and connected into the connector housing. Then, the terminals 43 are inserted and arranged in the cavities 58a, whereby the terminals 43 are held at predetermined positions in the connector housing 57. In a state where the connector housing 57 is inserted into and connected to the receptacle-side connector 64, each terminal 43 is connected to a corresponding terminal in the receptacle-side connector 64. If the terminal 43 is a female terminal having a cylindrical portion, the terminal provided on the receiving-side connector 64 is a male terminal having a sheet-or pin-shaped insertion connection portion. The insertion and insertion relationship (concave-convex relationship) between the connection target connector 56 and the receptacle-side connector 64 and the male-female relationship between the terminal 43 and the terminal of the receptacle-side connector 64 may be reversed.
The connector waterproof plug 59 is a ring-shaped member formed of an elastic member such as rubber, and is externally fitted to the end portions of the plurality of second wires 42. In a state where the terminal 43 is held by the cavity 58a, the connector waterproof plug 59 is fitted into the rear end portion of the cavity 58 a. This can prevent water from entering the connector housing 57 from the side of the connection target connector 56 from which the second electric wire 42 extends. That is, the connector waterproof plug 59 is a connector waterproof portion as follows: the portion of the second electric wire 42 guided to the connection target connector 56 suppresses the intrusion of water into the connection target connector 56 along the second electric wire 42.
As shown in fig. 4, a cover 55 covering a portion from the outer peripheral portion of the end of the protective cover 44 to the outer peripheral portion of the connector housing 57 may be provided. The cover 55 is a cylindrical member formed of an elastic member such as rubber. This also suppresses the intrusion of water between the connector housing 57 and the protective cover 44. The cover 55 may also be bent between the connector housing 57 and the protective wrap 44.
Even with such a configuration in which the cover 55 is provided, the waterproof structure can be simplified and reduced in size by an amount corresponding to the omission of the plug member 27, compared to the configuration in which the plug member 27 for performing water-proofing between lines is provided.
The second relay connector 50 is a connector for connecting the waterproof cable 20 to the non-waterproof cable 40, and is configured to be connectable to the first relay connector 30.
As the second intermediate connector 50, similarly to the above-described connector 56 to be connected, a structure including a connector housing and a connector waterproof plug may be adopted.
In a case where the area near the connection target member 60 is narrow and a relatively wide space can be secured near the first relay connector 30 of the waterproof cable 20, the second relay connector 50 may be provided with the same interline waterproof portion as the interline waterproof portion 39. A configuration in which the line waterproof portion is provided at one end portion of the cable and the line waterproof portion is not provided at the other end portion is also one type of non-waterproof cable.
In addition, a collar 80 is fitted to an extending direction intermediate portion of the waterproof cable 20. The collar 80 is formed of an elastic member such as rubber, and is formed in an annular shape that can be fitted into the through hole 27h formed in the plate 70. The grommet 80 has a through hole 81 penetrating both ends thereof, and the waterproof cable 20 can be arranged through the through hole 81.
When the waterproof cable 20 is inserted into the through hole 27h with the grommet 80 attached to the waterproof cable 20 inserted into the through hole 27h, the space between the outer periphery of the waterproof cable 20 and the inner periphery of the through hole 27h is closed by the grommet 80. This can prevent water in outdoor area E2 from passing through the outer periphery of waterproof cable 20 into indoor area E1. Furthermore, the watertight cable 20 is held in position relative to the plate 70 via the collar 80.
The wire harness 10 is assembled to a vehicle or the like as an assembly target, for example, as follows.
That is, the bracket 82 is attached to the part of the waterproof cable 20 on the first relay connector 30 side, and the bracket 84 is attached to the part of the non-waterproof cable 40 on the second relay connector 50 side. The brackets 82 and 84 are members formed of a metal plate, resin, or the like, and are fixed to the waterproof cable 20 or the non-waterproof cable 40 by crimping, screwing, winding, or the like. The brackets 82, 84 are fixed to a vehicle body or the like by screw fastening, an insert structure, welding, or the like, and support portions supported by the brackets 82, 84 in the wire harness 10 are supported at certain positions.
Further, the collar 80 attached to the waterproof cable 20 is fitted into the through hole 27h, whereby the attachment portion of the collar 80 to the waterproof cable 20 is supported at a fixed position with respect to the plate 70.
Further, by connecting the connector 56 to be connected to the receiving-side connector 64 of the member 60 to be connected, the end portion of the waterproof cable 40 other than the member 60 to be connected is supported at a predetermined position.
In the assembled state of the wire harness 10, the waterproof cable 20 is disposed in a bent state in the outdoor area E2, for example. In the example shown in fig. 1, a portion of the waterproof cable 20 between the support portion supported by the grommet 80 and the support portion supported by the bracket 82 hangs down in an arc shape as a bendable portion 20V. The waterproof cable 20 itself is configured such that the resin sheath 24 is formed around the plurality of bendable first wires 22, and therefore can be arranged in a bent state as described above.
Fig. 5 is an explanatory diagram showing a state in which water is applied to the wire harness 10 in the outdoor area E2. As shown in the drawing, water L is applied to a portion of the non-waterproof cable 40 close to the connection target connector 56. In this case, since the connector waterproof plug 59 is provided in the connection target connector 56, the intrusion of water into the connection target connector 56 and the like can be suppressed. Also, water can be soaked between the second electric wires 42 of the non-watertight cable 40. Even if water is immersed into the protective cover 44 through the second electric wire 42, the water L is discharged from either end of the protective cover 44 to the outside. Therefore, water entering the non-waterproof cable 40 is not transmitted to the waterproof cable 20 side. Here, in order to easily discharge the water L, the water L may be guided by arranging one end of the non-waterproof cable 40 at a higher position or a lower position than the other end.
Further, since the waterproof cable 20 itself is waterproofed between the wires by the wire waterproof portion 39, the intrusion of water between the second electric wires 42 can be suppressed. Therefore, even if water L is applied to the waterproof cable 20 in the outdoor area E2, water can be prevented from entering the indoor area E1 through the inside of the waterproof cable 20. Further, the collar 80 can also suppress the intrusion of water along the outer periphery of the waterproof cable 20.
According to the wire harness 10 configured as described above, the waterproof structure may not be provided in the non-waterproof cable 40 connected to the connection target member 60. Therefore, the structure of the end portion of the wire harness 10 in the outdoor area E2 can be downsized. The waterproof cable 20 is connected to the waterproof cable 40 in the outdoor area E2, and the waterproof cable 20 is guided to the indoor area E1 through the boundary between the indoor area E1 and the outdoor area E2. Therefore, the waterproof cable 20 can suppress the intrusion of water from the outdoor area E2 into the indoor area E1. This makes it possible to reduce the size of the end structure of the wire harness 10 in the outdoor area E2 and suppress the intrusion of water into the indoor area E1 from the outdoor area E2.
Further, since the non-waterproof cable 40 includes the plurality of second wires 42 linearly gathered with a gap between the end portions, the waterproof structure may not be provided. Therefore, the structure of the end portion of the wire harness 10 in the outdoor area E2 can be downsized. In the waterproof cable 20, water is prevented from entering the indoor area E1 by waterproofing the wires between the sheaths 24 and the wire waterproof portions 39.
Further, since the connector waterproof plug 59 is provided in the connector 56 to be connected, the connector waterproof plug 59 can suppress the intrusion of water into the connector 56 to be connected.
In addition, since the grommet 80 is attached to the waterproof cable 20, water that has flowed along the outer periphery of the waterproof cable 20 is shielded by the grommet 80, thereby suppressing the intrusion of water into the indoor area E1.
Further, since the waterproof cable 20 is bent in the outdoor area E2, it is possible to cope with various layouts such as the position of the through hole 27h, the position of the connection target member 60, and the space therebetween, and it is possible to absorb the extra length of the wire harness 10 between the through hole 27h and the connection target member 60. In addition, water is less likely to accumulate inside the portion of the waterproof cable 20 that is disposed in a bent state in the outdoor area E2. The waterproof cable 20 may be disposed in a portion that is not bent in the assembled state of the wire harness 10 and that is bent in accordance with movement of a movable portion such as a suspension arm during vehicle traveling. In the bent portion, even when the waterproof cable 20 is bent, water is less likely to accumulate in the waterproof cable 20.
In the wire harness 10, the non-waterproof cable 40 is used in a portion close to the connection target member 60, and therefore the protective cover 44 can be omitted. Alternatively, even if the non-waterproof cable 40 is protected, the corrugated tube, the wound adhesive tape, or the like may be covered with a protective coating, instead of the highly airtight sheath 24 used for the waterproof cable 20. Therefore, it is easy to branch the other electric wires in the middle of the non-waterproof cable 40.
A modification of this will be described. Fig. 6 is a schematic view of a harness 110 showing a modification. In this wire harness 110, the non-waterproof cable 140 corresponding to the non-waterproof cable 40 includes a branch electric wire 142 that branches at an intermediate portion in the extending direction of the plurality of second electric wires 42.
More specifically, the protective coating 144 is formed by winding an adhesive tape around the outer periphery of the plurality of second electric wires 42 in a state where the plurality of second electric wires 42 are linearly aggregated. At least 1 branch electric wire 142 branches at the extending direction intermediate portion of the plurality of second electric wires 42. The branch electric wires 142 are connected to 1 of the first electric wires 22 of the waterproof cable 20 via the second relay connector 50. The protective coating 144 is wound around the second electric wires 42 so as to avoid portions where the branch electric wires 142 branch from the plurality of second electric wires 42.
The leading end of the branch wire 142 is connected to another member to be connected 160. The branch electric wire 142 and the connection target member 160 may be connected by a connector, or a direct connection target member 160 such as a sensor may be connected to an end of the branch electric wire 142, or the direct connection target member 160 may be integrated.
In this way, even when a plurality of connection target members 60 and 160 exist in the outdoor area E2, the inter-wire waterproof structure can be omitted in the non-waterproof cable 140, and therefore, a structure including the branch electric wires 142 branched at the middle of the plurality of second electric wires 42 can be easily realized. Further, the second electric wire 42 connected to the connector 56 to be connected can be only an electric wire necessary for connection to the member 60 to be connected, and the connector 56 to be connected can be downsized. For example, the bus bar 244 for short circuit as in the modification described later is not necessary, and the size of the connection target connector 56 can be reduced accordingly. Further, since the branch electric wire 142 can be connected to the other connection target member 160 by the optimum route, the electric wire length of the branch electric wire 142 can be shortened.
In the above example, the example in which the protective coating 144 is formed by winding the adhesive tape around the second electric wire 42 has been described, but a corrugated tube with a slit may be attached to the second electric wire 42, and the branch electric wire 142 may be led out from the slit. Further, different bellows may be attached to the second electric wire 42 before and after the portion where the branch electric wire 142 branches. Further, as the non-waterproof cable 140, a structure in which a sheath is formed by extrusion coating or the like, and a structure in which the sheath is locally removed to a portion where the branch electric wire 142 is branched may be used. In this case, the portion from which the sheath is removed may be left as it is, or another corrugated tube may be attached, or an adhesive tape may be wound.
Further, since the periphery of the second electric wire 42 extending from the connector 56 to be connected does not require high waterproofing, it is also suitable for a case where the electric wire extending from the connector 56 to be connected is separately led out from the second electric wire 42.
A modification of this will be described. Fig. 7 is a schematic diagram showing a harness 210 according to a modification. In this wire harness 210, the non-waterproof cable 240 further includes a third electric wire 242, and the third electric wire 242 is electrically connected to a part of the plurality of second electric wires 42 in a connection target connector 256 corresponding to the connection target connector 56, extends from the connection target connector 256, and is connected to another connection target member 160 on the outdoor area E2 side.
That is, the plurality of second wires 42 are guided into the connection target connector 256. One end of at least 1 third electric wire 242 is also arranged in the connection target connector 256. A part of the plurality of second wires 42 is connected to the third wire 242 in the connection target connector 256. The remaining portions of the plurality of second wires 42 are connected to the electric circuit in the connection target member 60 via the terminal connection structure described in the above embodiment.
The connection of a part of the plurality of second electric wires 42 to the third electric wire 242 may be performed, for example, as follows: in the connector 256 to be connected, terminals connected to the ends of a part of the plurality of second wires 42 and terminals connected to the ends of the third wires 242 are connected by the bus bar 244 for short circuit. The bus bar 244 for short circuit is formed by, for example, punching a metal plate into a shape including a terminal structure connectable to each terminal. The bus bar 244 for short-circuiting may be formed by die molding fitted into the connector 256 to be connected, or may be provided after the terminal is assembled after die molding.
According to this modification, the non-waterproof cable 240 is not branched in the middle, and some of the plurality of second wires 42 are connected to the third wire 242 and branched, and can be connected to another connection target member 160.
Fig. 8 is a schematic diagram showing a harness 310 according to a modification. In this wire harness 310, the non-watertight cable 340 further includes a third electric wire 342 electrically connected to a part of the plurality of second electric wires 42 at the position of the connection target member 60, extending from the connection target connector 356 corresponding to the connection target connector 56, and connected to the other connection target member 160 on the outdoor area side E2.
That is, the plurality of second wires 42 are guided into the connection target connector 356. One end of at least 1 third electric wire 342 is also arranged in the connection target connector 356. A part of the plurality of second wires 42 is connected to the third wire 342 in the connection target member 60. The remaining portions of the plurality of second wires 42 are connected to the electric circuit in the connection target member 60 via the terminal connection structure described in the above embodiment.
The connection between a part of the plurality of second wires 42 and the third wire 342 may be performed by the receiving-side connector 64 of the connection target member 60 or an internal circuit (a circuit formed on an internal mounting board, or the like).
When the plurality of second wires 42 are connected to the third wire 342 by the receiving-side connector 64 of the member 60 to be connected, the following configuration may be adopted: in the receptacle-side connector 64, components having the same configuration as the bus bar 244 for short-circuit are incorporated in the receptacle-side connector 64, and the terminals of a part of the plurality of second wires 42 are connected to the terminals of the third wires 342 by the connection between the connector 356 to be connected and the receptacle-side connector 64.
When a part of the plurality of second wires 42 and the third wire 342 are connected by the circuit inside the connection target member 60, the plurality of second wires 42 and the third wire 342 may be connected to the electric circuit inside the connection target member 60 via the terminal connection structure described in the above embodiment, and the electric circuit may include the circuit 346 that short-circuits the plurality of second wires 42 and the third wire 342. Thereby, the plurality of second wires 42 are connected to the third wire 342 through the short circuit 346 in the connection target member 60. The third wire 342 is led out from the base end of the connection target connector 356 to the outside, and is connected to another connection target member 160 at the tip end thereof. The remaining portions of the plurality of second wires 42 are connected to the electric circuit in the connection target member 60.
This makes it possible to connect the non-waterproof cable 340 to another connection target member 160 without branching off in the middle, and to branch off some of the plurality of second wires 42 as third wires 342.
The configurations described in the above embodiments and modifications may be appropriately combined as long as they are not contradictory to each other. For example, the branch electric wire 142 of the modification shown in fig. 6 may be used in combination with the third electric wires 242 and 342 of the modification shown in fig. 7 or 8.
Although the present invention has been described in detail as above, the above description is illustrative in all aspects and does not limit the present invention thereto. It is understood that numerous modifications, not illustrated, may be made without departing from the scope of the invention.
Description of the reference symbols
10. 110, 210, 310 wire harness
20 waterproof cable
20V bendable part
22 first electric wire
24 sheath
26 line waterproof part
27 bolt component
28 cover
30 first relay connector
36 waterproof bolt of connector
40. 140, 240, 340 non-watertight cable
42 second electric wire
44. 144 protective wrap
50 second relay connector
56. 256, 356 connection object connector
59 waterproof plug of connector
60. 160 connection object member
64 receiving side connector
70 plate
72 through hole
80 lantern ring
142 branch electric wire
242. 342 third electric wire
244 bus bar
346 short-circuit
E1 indoor area
E2 outdoor area.
Claims (7)
1. A wire harness which is disposed across an indoor area and an outdoor area and is connected to a member to be connected on the outdoor area side, comprising:
a waterproof cable disposed at a boundary between the indoor area and the outdoor area, the waterproof cable being waterproofed between the lines; and
and a non-waterproof cable that is connected to the waterproof cable in the outdoor area and is connectable to the connection target member.
2. The wire harness according to claim 1,
the waterproof cable includes a plurality of first electric wires, a sheath covering the peripheries of the plurality of first electric wires, an inter-wire waterproof portion waterproofing between the plurality of first electric wires at an end portion of the sheath on a side connected to the non-waterproof cable,
a first relay connector is provided at an end portion of the waterproof cable on a side connected to the non-waterproof cable,
the non-waterproof cable includes a plurality of second electric wires linearly aggregated with a gap between ends,
the waterproof cable is provided with a second relay connector at an end portion on a side connected to the waterproof cable, and the waterproof cable is provided with a connection target connector at an end portion on a side connected to the connection target member.
3. The wire harness according to claim 2,
the connector to be connected is provided with a connector waterproof portion that suppresses entry of water into the connector to be connected along the second wire at a portion where the second wire is guided to the connector to be connected.
4. The wire harness according to any one of claims 1 to 3,
a grommet is attached to an intermediate portion of the waterproof cable, the grommet being disposed in a through hole formed in a plate that separates the indoor area from the outdoor area.
5. The wire harness according to any one of claims 1 to 4,
the non-waterproof cable includes branch electric wires branched at intermediate portions in an extending direction of the plurality of second electric wires.
6. The wire harness according to any one of claims 1 to 5,
the wire harness further includes a third wire electrically connected to a part of the plurality of second wires at a position of the connection target connector or the connection target member of the non-waterproof cable, extending from the connection target connector, and connected to another connection target member on the outdoor area side.
7. The wire harness according to any one of claims 1 to 6,
the waterproof cable includes a bendable portion that can be disposed in a bent state in the outdoor area.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-180044 | 2017-09-20 | ||
| JP2017180044A JP6518299B2 (en) | 2017-09-20 | 2017-09-20 | Wire Harness |
| PCT/JP2018/024137 WO2019058687A1 (en) | 2017-09-20 | 2018-06-26 | Wire harness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111066101A true CN111066101A (en) | 2020-04-24 |
| CN111066101B CN111066101B (en) | 2021-08-31 |
Family
ID=65810226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880058049.9A Active CN111066101B (en) | 2017-09-20 | 2018-06-26 | Wire harness |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10821920B2 (en) |
| JP (1) | JP6518299B2 (en) |
| CN (1) | CN111066101B (en) |
| WO (1) | WO2019058687A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7426785B2 (en) * | 2019-05-24 | 2024-02-02 | 株式会社プロテリアル | wire harness |
| JP7415589B2 (en) * | 2020-01-24 | 2024-01-17 | 住友電装株式会社 | wiring parts |
| JP2024056188A (en) * | 2022-10-11 | 2024-04-23 | 住友電装株式会社 | Wiring materials |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260620A (en) * | 1999-01-14 | 2000-07-19 | 住友电装株式会社 | Water-proof structure for bunched conductors |
| CN1691446A (en) * | 2004-04-21 | 2005-11-02 | 株式会社自动网络技术研究所 | Electric apparatus |
| JP2011065964A (en) * | 2009-09-18 | 2011-03-31 | Sumitomo Wiring Syst Ltd | Shield wire having water cut-off section and forming method for water cut-off section of shield wire |
| WO2012117608A1 (en) * | 2011-03-02 | 2012-09-07 | 住友電装株式会社 | Hot-melt block for waterproofing between wires, method for waterproofing multicore cable terminal using said hot-melt block, and terminal-waterproofing structure |
| CN104272543A (en) * | 2012-05-09 | 2015-01-07 | 矢崎总业株式会社 | Wire harness waterproofing structure |
| US20160336097A1 (en) * | 2015-05-11 | 2016-11-17 | Sumitomo Wiring Systems, Ltd. | Electrical wire protection member |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5176533B2 (en) * | 2007-12-19 | 2013-04-03 | 住友電装株式会社 | Electric wire water stopping method and electric wire having a water stopping portion formed by the water stopping method |
| US9558866B2 (en) * | 2012-10-05 | 2017-01-31 | Sumitomo Wiring Systems, Ltd. | Wire harness |
| JP5862709B2 (en) | 2014-06-26 | 2016-02-16 | 株式会社オートネットワーク技術研究所 | Seal member and seal structure of multi-core cable |
| JP6439742B2 (en) * | 2016-04-27 | 2018-12-19 | 株式会社オートネットワーク技術研究所 | Wire Harness |
| JP6439743B2 (en) * | 2016-04-27 | 2018-12-19 | 株式会社オートネットワーク技術研究所 | Wire Harness |
| JP6340036B2 (en) * | 2016-06-07 | 2018-06-06 | 矢崎総業株式会社 | Exterior end cap and wire harness |
| JP6434475B2 (en) * | 2016-12-06 | 2018-12-05 | 矢崎総業株式会社 | Exterior end cap and wire harness |
-
2017
- 2017-09-20 JP JP2017180044A patent/JP6518299B2/en active Active
-
2018
- 2018-06-26 US US16/647,255 patent/US10821920B2/en active Active
- 2018-06-26 CN CN201880058049.9A patent/CN111066101B/en active Active
- 2018-06-26 WO PCT/JP2018/024137 patent/WO2019058687A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260620A (en) * | 1999-01-14 | 2000-07-19 | 住友电装株式会社 | Water-proof structure for bunched conductors |
| CN1691446A (en) * | 2004-04-21 | 2005-11-02 | 株式会社自动网络技术研究所 | Electric apparatus |
| JP2011065964A (en) * | 2009-09-18 | 2011-03-31 | Sumitomo Wiring Syst Ltd | Shield wire having water cut-off section and forming method for water cut-off section of shield wire |
| WO2012117608A1 (en) * | 2011-03-02 | 2012-09-07 | 住友電装株式会社 | Hot-melt block for waterproofing between wires, method for waterproofing multicore cable terminal using said hot-melt block, and terminal-waterproofing structure |
| CN104272543A (en) * | 2012-05-09 | 2015-01-07 | 矢崎总业株式会社 | Wire harness waterproofing structure |
| US20160336097A1 (en) * | 2015-05-11 | 2016-11-17 | Sumitomo Wiring Systems, Ltd. | Electrical wire protection member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6518299B2 (en) | 2019-05-22 |
| JP2019057378A (en) | 2019-04-11 |
| WO2019058687A1 (en) | 2019-03-28 |
| US20200254945A1 (en) | 2020-08-13 |
| US10821920B2 (en) | 2020-11-03 |
| CN111066101B (en) | 2021-08-31 |
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